Swimming at the 2005 World Aquatics Championships – Men's 4 × 100 metre freestyle relay
# Swimming at the 2005 World Aquatics Championships – Men's 4 × 100 metre freestyle relay

The Men's 4×100 Freestyle Relay event at the 2005 FINA World Aquatics Championships was swum on July 24, 2005 in Montreal, Quebec, Canada. 24 teams swam in preliminary heats in the day's morning session, with the top-8 teams from the prelims advancing to swim again in the final heat in the day's evening session.

At the start of the event, the existing World (WR) and Championships (CR) records were:

* WR: 3:13.17, South Africa (Schoeman, Ferns, Townsend, Neethling), swum August 15, 2004 in Athens, Greece
* CR: 3:14.06, Russia (Kapralov, Usov, Pimankov, Popov), swum July 20, 2003 in Barcelona, Spain

## Results

### Final

| Place | Lane | Nation | Swimmers | Time | Notes |
| - | - | - | - | - | - |
| 1 | 4 | USA | Michael Phelps (49.17) Neil Walker (47.70) Nate Dusing (48.97) Jason Lezak (47.93) | 3:13.77 | CR |
| 2 | 5 | Canada | Yannick Lupien (49.88) Rick Say (48.85) Mike Mintenko (49.52) Brent Hayden (48.19 ) | 3:16.44 | NR |
| 3 | 3 | Australia | Michael Klim (49.75) Andrew Mewing (49.04) Leith Brodie (49.82) Patrick Murphy (48.95) | 3:17.56 | |
| 4 | 2 | Lithuania | Paulius Viktoravičius (50.49) Vytautas Janušaitis (49.34) Saulius Binevičius (49.28) Rolandas Gimbutis (48.78 ) | 3:17.89 | |
| 5 | 7 | Sweden | Jonas Persson (50.45) Stefan Nystrand (48.58) Lars Frölander (49.25) Petter Stymne (49.67) | 3:17.95 | |
| 6 | 1 | Germany | Stefan Herbst (49.83) Jens Schreiber (49.41) Leif-Marten Kruger (49.78) Marco di Carli (49.10) | 3:18.12 | |
| 7 | 6 | Russia | Andrey Kapralov (49.64) Yevgeny Lagunov (48.89) Denis Pimankov (49.92) Ivan Usov (49.99) | 3:18.44 | |
| 8 | 8 | Netherlands | Mark Veens (50.04) Bas Van Velthoven (50.20) Stefan Oosting (50.08) Mitja Zastrow (49.02) | 3:19.34 | |

### Preliminaries

| Rank | Heat+Lane | Nation | Swimmers (split) | Time | Notes |
| - | - | - | - | - | - |
| 1 | H2 L4 | United States | Ben Wildman-Tobriner (50.16), Nate Dusing (48.92), Garrett Weber-Gale (48.67), Neil Walker (48.29) | 3:16.04 | q |
| 2 | H3 L3 | Canada | Yannick Lupien (49.71), Rick Say (49.24), Mike Mintenko (49.62), Brent Hayden (48.23) | 3:16.80 | q |
| 3 | H2 L5 | Australia | Andrew Mewing (49.83), Michael Klim (48.78), Leith Brodie (49.81), Patrick Murphy (49.21) | 3:17.63 | q |
| 4 | H3 L5 | Russia | Andrey Kapralov (49.60), Evgeny Lagunov (48.55), Denis Pimankov (50.05), Ivan Usov (50.02) | 3:18.22 | q |
| 5 | H1 L3 | Lithuania | Paulis Viktoravicius (50.67), Vytautas Janušaitis (49.22), Saulis Binevicius (49.90), Rolandas Gimbutis (48.78) | 3:18.57 | q |
| 6 | H2 L2 | Sweden | Jonas Persson (50.59), Stefan Nystrand (48.79), Lars Frölander (49.21), Petter Stymne (50.02) | 3:18.61 | q |
| 7 | H1 L5 | Germany | Marco di Carli (50.43), Leif-Marten Kruger (49.91), Stefan Herbst (49.01), Jens Schreiber (49.52) | 3:18.87 | q |
| 8 | H3 L4 | Netherlands | Mark Veens (50.33), Bas van Velthoven (49.68), Stefan Oosting (49.73), Mitja Zastrow (49.19) | 3:18.93 | q |
| 9 | H1 L4 | Italy | Christian Galenda (49.79), Michele Scarica (50.18), Alessandro Calvi (49.64), David Berbotto (49.51) | 3:19.12 | |
| 10 | H2 L6 | Japan | Daisuke Hosokawa (50.20), Yoshihiro Okumura (49.90), Makoto Ito (50.64), Hisayoshi Sato (48.53) | 3:19.27 | |
| 11 | H2 L3 | Ukraine | Pavlo Khnykin (50.61), Denys Syzonenko (49.99), Oleksandr Volynets (50.74), Yuri Yegoshin (49.55) | 3:20.89 | |
| 12 | H2 L8 | Slovenia | Peter Mankoč (49.22), Jernej Godec (50.14), Jernej Mencinger (51.32), Blaž Medvešek (50.30) | 3:20.98 | |
| 13 | H3 L6 | Algeria | Nabil Kebbab (50.11), Aghiles Slimani (51.47), Mahrez Mebarek (51.25), Salim Iles (49.63) | 3:22.46 | NR |
| 14 | H1 L6 | Belarus | Andrei Radzionov (51.46), Yahor Salabutov (49.89 ), Mikalai Hancharov (51.05), Stanislav Neviarovski (50.51) | 3:22.91 | |
| 15 | H3 L2 | Czech Republic | Martin Verner (50.81), Lukas Harnol (50.85), Martin Kresta (51.09), Ondrej Broda (50.28) | 3:23.03 | |
| 16 | H1 L2 | Singapore | Bryan Tay (52.36), Jeffrey Su (54.43), Gary Tan (52.64), Mark Chay (52.21) | 3:31.64 | |
| 17 | H2 L1 | Kuwait | Mohamed Madwa (52.82), Mohamed Al-Naser (53.61), Waleed Al-Qahtani (53.13), Mansoor Al-Mansoor (53.25) | 3:32.81 | |
| 18 | H2 L7 | Barbados | Martyn Forde (53.35), Sean Dehere (53.58), Shawn Clarke (54.03), Terrence Haynes (52.43) | 3:33.39 | |
| 19 | H3 L7 | Uzbekistan | Timur Irgashev (53.33), Ibrahim Nazarov (54.69), Sergey Tsoy (53.09), Danil Bugakov (52.86) | 3:33.97 | |
| 20 | H1 L7 | Kenya | Jason Dunford (52.30), David Dunford (53.77), Rama Vyombo (55.82), Amar Shah (57.19) | 3:39.08 | |
| 21 | H3 L1 | Senegal | Pape Madiop Ndong (57.82), Khaly Ciss (54.37), Madicke Mbengue (56.41), Malick Fall (54.43) | 3:43.03 | |
| 22 | H1 L1 | Macau | Kuan Fong Lao (54.74), Chan Wai Ma (58.46), Chi Lon Lei (57.05), Wing Cheun Wong (53.05) | 3:43.30 | |
| 23 | H3 L8 | Mongolia | Ganbold Urnultsaikhan (1:00.36), Khurlee Enkhmandakh (1:05.56), Bayarerdene Soninerdene (1:01.27), Andrei Tamir (56.50) | 4:03.69 | |
| - | H1 L8 | Virgin Islands | Morgan Locke (53.88), Josh Laban (52.57), Kieran Locke, Kevin Hensley | DQ | |
